Yan Seiner wrote:
I built an embedded box which uses mount.cifs to mount network
shares. I've shipped several of these and all are working fine
except for one, which gives me permission denied on certain files:
[EMAIL PROTECTED]:~/mnt/bgrp1/c/Ballance Group Folders/Scully/Client
Photos-Scully# cat "Office Pics 002.jpg" > /dev/null
cat: Office Pics 002.jpg: Permission denied
[EMAIL PROTECTED]:~/mnt/bgrp1/c/Ballance Group Folders/Scully/Client
Photos-Scully# cat "Iron & Concrete Table.jpg" > /dev/null
[EMAIL PROTECTED]:~/mnt/bgrp1/c/Ballance Group Folders/Scully/Client
Photos-Scully#
So only the Office Pics file gets a permission denied.
[EMAIL PROTECTED]:~/mnt/bgrp1/c/Ballance Group Folders/Scully/Client
Photos-Scully# ls -al
dr-xr-x--- 1 root root 0 Mar 28 14:22 .
dr-xr-x--- 1 root root 0 Mar 27 17:35 ..
-r--r----- 1 root root 113826 Mar 3 16:26 Iron &
Concrete Table.jpg
-r--r----- 1 root root 744886 Feb 21 16:14 Nightstands.jpg
-r--r----- 1 root root 765452 Feb 15 19:09 Occhio Chair.jpg
-r--r----- 1 root root 90670 Mar 28 14:22 Office Pics
002.jpg
cat /proc/mounts says:
//bgrp1/c /tmp/mnt/bgrp1/c cifs
ro,mand,nodiratime,unc=\\bgrp1\c,username=root,domain=,rsize=4100,wsize=4100
0 0
and the mount line itself is
mount.cifs "//$server/$wshare" /tmp/mnt/$server/$lshare -o
ip=$target,guest,ro,file_mode=0440,dir_mode=0550
I can't for the life of me figure out why some files give me a
permission denied. I have no physical access to the problem box;
here's what I know:
------------------------------------------+
Looking up status of 192.168.0.2
BGRP1 <00> - B <ACTIVE>
MSHOME <00> - <GROUP> B <ACTIVE>
BGRP1 <20> - B <ACTIVE>
MSHOME <1e> - <GROUP> B <ACTIVE>
MSHOME <1d> - B <ACTIVE>
..__MSBROWSE__. <01> - <GROUP> B <ACTIVE>
MAC Address = 00-19-DB-A6-43-23
------------------------------------------+
Sharename Type Comment
--------- ---- -------
IPC$ IPC Remote IPC
D$ Disk Default share
C Disk Ballance Group Folders Disk
F Disk ADMIN$ Disk Remote Admin
C$ Disk Default share
Server Comment
--------- -------
Workgroup Master
How do I go about diagnosing this?
Thanks,
--Yan
Does 'lsof' show the file as opened and locked by chance? I've seen
something to this effect with a stale lock (had to reboot the server -
although I'm sure there is a guru technique to blow away the entry in
the open files table, and it's probably elegant too!) In my case, it
made the load increase, as it thought it was I/O blocked. Are you
seeing any outrageous load averages in 'uptime'? I was in the hundreds,
but the box was responding like it was at a 0.5 or so.
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